Ethyl Cyanoacetate from China
Ethyl cyanoacetate (NC-CH2-COOC2H5) is a versatile nitrile ester used in malonic ester synthesis and pharmaceutical intermediates. Classified in HTS 2926.90.5050 following Chapter 29 note on esters, prioritizing the nitrile function over carboxylic acid derivative. Key reagent in organic multi-component reactions.
Duty Rate — China → United States
25%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Per Chapter 29 ester note (A), confirm nitrile takes precedence via structural analysis
• Refractive index testing verifies purity; <98% may trigger 2918 ester heading review
• Biocidal properties require EPA pre-notice if dual-use declared